ScientificAmerican1917-03-10.jpg Scientific American 1897-12-25ThumbnailsScientific American 1931-04Scientific American 1897-12-25ThumbnailsScientific American 1931-04Scientific American 1897-12-25ThumbnailsScientific American 1931-04Scientific American 1897-12-25ThumbnailsScientific American 1931-04Scientific American 1897-12-25ThumbnailsScientific American 1931-04
The powerful electrically operated derrick "Hercules" removing a lattice mast from a battleship.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner